diff --git a/pkgs/development/tools/misc/automake/automake-1.16.x.nix b/pkgs/development/tools/misc/automake/automake-1.16.x.nix
index 8751317729fa..308ebc9e9f3f 100644
--- a/pkgs/development/tools/misc/automake/automake-1.16.x.nix
+++ b/pkgs/development/tools/misc/automake/automake-1.16.x.nix
@@ -7,12 +7,12 @@
   updateAutotoolsGnuConfigScriptsHook,
 }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "automake";
   version = "1.16.5";
 
   src = fetchurl {
-    url = "mirror://gnu/automake/automake-${version}.tar.xz";
+    url = "mirror://gnu/automake/automake-${finalAttrs.version}.tar.xz";
     sha256 = "0sdl32qxdy7m06iggmkkvf7j520rmmgbsjzbm7fgnxwxdp6mh7gh";
   };
 
@@ -36,6 +36,8 @@ stdenv.mkDerivation rec {
   # "fixed" path in generated files!
   dontPatchShebangs = true;
 
+  __structuredAttrs = true;
+
   meta = {
     branch = "1.16";
     homepage = "https://www.gnu.org/software/automake/";
@@ -48,4 +50,4 @@ stdenv.mkDerivation rec {
     '';
     platforms = lib.platforms.all;
   };
-}
+})